Finding the Fourth Proportional to 84,822.16, 127,276.98 and 34,939.12
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Solution
The fourth proportional to 84,822.16, 127,276.98 and 34,939.12 is: 52,426.70
Step by Step Solution
- Step 1: Write the proportion equation
84,822.16 : 127,276.98 = 34,939.12 : x - Step 2: Convert to fraction form
84,822.16/127,276.98 = 34,939.12/x - Step 3: Cross multiply
84,822.16x = 127,276.98 × 34,939.12 - Step 4: Simplify right side
84,822.16x = 4,446,945,677.46 - Step 5: Solve for x
x = 4,446,945,677.46/84,822.16 - Step 6: Final answer
x = 52,426.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.